Literature Reference: 五管历徧无贤侯，回望万里还家羞。—— 《刘生诗》 Having traveled through all five regions without finding a virtuous lord, looking back, I feel ashamed to return home after such a long journey. Source from 'Liu Sheng Shi'.
历: Experience, the journey of life. A metaphor for being seasoned and wise.
徧: "Same as 'bian'. Universal, all-encompassing."
Meaning: Li Bian signifies thorough exploration and the accumulation of life experiences.